diff --git a/docker/pgsql/init-slave.sh b/docker/pgsql/init-slave.sh
index 32b22f0..82213da 100755
--- a/docker/pgsql/init-slave.sh
+++ b/docker/pgsql/init-slave.sh
@@ -11,6 +11,8 @@ chown postgres:postgres /tmp/.pgpass
 chmod 600 /tmp/.pgpass
 
 rm -rf "$PGDATA"/*
+chown postgres:postgres "$PGDATA"
+chmod 700 "$PGDATA"
 su-exec postgres env PGPASSFILE=/tmp/.pgpass pg_basebackup -h db-master -D "$PGDATA" -U replicator -Fp -Xs -P -R
 
 echo "hot_standby = on" >> "$PGDATA/postgresql.conf"